?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
310
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2017-11-11 to 2019-04-13).
518
Record Run
days
?
Breaker-to-Breaker: times this unit ran from one refueling outage to the next with zero forced outages or scrams in between.
3
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
88.7%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
18
Outages
since 1999
?
Duration of each outage in days, shown chronologically. Green bars are scheduled refueling outages, red bars are forced/unscheduled. The orange dashed line marks the average duration. Extended outages (>180 days) and D&D periods are excluded.
Outage Duration Trend
?
Days between consecutive scheduled refueling outage starts, showing operating cycle regularity. The purple dashed line marks the average cycle length. Most U.S. reactors operate on 18-month (547 day) or 24-month (730 day) cycles.
Cycle Length History
?
Monthly capacity factor with outage events overlaid as red bands. Green bars show average power level per month. Toggle to Daily view for raw daily data.
Power History
| Type ⇅ | Actual Start ⇅ | Actual End ⇅ | Duration ⇅ | Days Online ⇅ | Scheduled | Delta |
|---|---|---|---|---|---|---|
|
Scheduled
|
2025-04-13 | 2025-05-30 | 48 | 85d | 2025-04-02 | +11d |
|
Unscheduled
|
2025-01-17 | 2025-01-18 | 2 | 433d | - | - |
|
Scheduled
|
2023-10-08 | 2023-11-11 | 35 | 508d | 2023-10-07 | +1d |
|
Scheduled
|
2022-04-09 | 2022-05-18 | 40 | 478d | 2022-04-09 | 0d |
|
Unscheduled
|
2020-12-16 | 2020-12-17 | 2 | 3d | - | - |
|
Scheduled
|
2020-10-03 | 2020-12-13 | 72 | 192d | 2020-10-20 | -17d |
|
Unscheduled
|
2020-02-26 | 2020-03-25 | 29 | 253d | - | - |
|
Scheduled
|
2019-04-13 | 2019-06-18 | 67 | 518d | 2019-04-16 | -3d |
|
Scheduled
|
2017-10-13 | 2017-11-11 | 30 | 225d | 2017-10-13 | 0d |
|
Unscheduled
|
2017-03-01 | 2017-03-02 | 2 | 215d | - | - |
|
Scheduled
|
2016-04-15 | 2016-07-29 | 106 | 391d | 2016-04-14 | +1d |
|
Unscheduled
|
2015-03-16 | 2015-03-21 | 6 | 115d | - | - |
|
Scheduled
|
2014-10-20 | 2014-11-21 | 33 | 163d | 2014-10-19 | +1d |
|
Scram
# 50092
|
2014-05-08 | 2014-05-10 | 3 | 21d | - | - |
|
Scram
# 50032
|
2014-04-14 | 2014-04-17 | 4 | 5d | - | - |
|
Scram
# 50012
|
2014-04-09 | 2014-04-09 | 1 | 228d | - | - |
|
Unscheduled
|
2013-08-23 | 2013-08-24 | 2 | 93d | - | - |
|
Scheduled
|
2013-04-15 | 2013-05-22 | 38 | 165d | 2013-04-14 | +1d |
|
Scram
# 48457
|
2012-10-30 | 2012-11-01 | 3 | 177d | - | - |
|
Scram
# 47874
|
2012-05-01 | 2012-05-06 | 6 | 165d | - | - |
|
Scheduled
|
2011-10-24 | 2011-11-18 | 26 | 185d | 2011-10-22 | +2d |
|
Scram
# 46774
|
2011-04-22 | 2011-04-22 | 1 | 188d | - | - |
|
Unscheduled
|
2010-10-16 | 2010-10-16 | 1 | 85d | - | - |
|
Unscheduled
|
2010-07-08 | 2010-07-23 | 16 | 72d | - | - |
|
Scheduled
|
2010-04-04 | 2010-04-27 | 24 | 508d | 2010-04-07 | -3d |
|
Scheduled
|
2008-10-15 | 2008-11-12 | 29 | 288d | 2008-10-15 | 0d |
|
Unscheduled
|
2007-12-29 | 2008-01-01 | 4 | 241d | - | - |
|
Unscheduled
|
2007-05-01 | 2007-05-02 | 2 | 6d | - | - |
|
Unscheduled
|
2007-04-25 | 2007-04-25 | 1 | 8d | - | - |
|
Scheduled
|
2007-03-28 | 2007-04-17 | 21 | 384d | 2007-03-27 | +1d |
|
Unscheduled
|
2006-03-09 | 2006-03-09 | 1 | 125d | - | - |
|
Scheduled
|
2005-10-12 | 2005-11-04 | 24 | 174d | 2005-10-11 | +1d |
|
Unscheduled
|
2005-04-20 | 2005-04-21 | 2 | 125d | - | - |
|
Unscheduled
|
2004-12-04 | 2004-12-16 | 13 | 68d | - | - |
|
Unscheduled
|
2004-09-25 | 2004-09-27 | 3 | 114d | - | - |
|
Unscheduled
|
2004-06-03 | 2004-06-03 | 1 | 5d | - | - |
|
Scheduled
|
2004-03-31 | 2004-05-29 | 60 | 165d | 2004-03-30 | +1d |
|
Unscheduled
|
2003-10-16 | 2003-10-18 | 3 | 21d | - | - |
|
Unscheduled
|
2003-09-20 | 2003-09-25 | 6 | 50d | - | - |
|
Unscheduled
|
2003-07-30 | 2003-08-01 | 3 | 266d | - | - |
|
Scheduled
|
2002-10-11 | 2002-11-06 | 27 | 213d | 2002-10-11 | 0d |
|
Unscheduled
|
2002-03-06 | 2002-03-12 | 7 | 142d | - | - |
|
Unscheduled
|
2001-09-25 | 2001-10-15 | 21 | 124d | - | - |
|
Unscheduled
|
2001-05-23 | 2001-05-24 | 2 | 6d | - | - |
|
Scheduled
|
2001-04-06 | 2001-05-17 | 42 | 118d | 2001-04-06 | 0d |
|
Unscheduled
|
2000-12-09 | 2000-12-09 | 1 | 120d | - | - |
|
Unscheduled
|
2000-08-10 | 2000-08-11 | 2 | 117d | - | - |
|
Unscheduled
|
2000-04-13 | 2000-04-15 | 3 | 91d | - | - |
|
Unscheduled
|
2000-01-07 | 2000-01-13 | 7 | 74d | - | - |
|
Scheduled
|
1999-09-18 | 1999-10-25 | 38 | 118d | 1999-09-18 | 0d |
|
Unscheduled
|
1999-05-21 | 1999-05-23 | 3 | 79d | - | - |
|
Unscheduled
|
1999-02-28 | 1999-03-03 | 4 | - | - | - |
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